package com.ruoyi.framework.web.service;

import com.ruoyi.system.domain.SegRegEmailInfo;
import com.ruoyi.system.service.ISegRegEmailInfoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.RegisterBody;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.user.CaptchaException;
import com.ruoyi.common.exception.user.CaptchaExpireException;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysUserService;

import java.util.*;

/**
 * 注册校验方法
 *
 * @author ruoyi
 */
@Component
public class SysRegisterService
{
    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ISegRegEmailInfoService iSegRegEmailInfoService;

    /**
     * 查看当前的帐号是否激活，并且查看验证码是否发送
     *  - 超过15分钟没有激活，设定该帐号为删除状态，返回空字符串，程序继续
     *  - 否则提示邮件已经发送，有疑问联系管理员
     */
    public String checkAccount(RegisterBody registerBody){
        SysUser sysUser = userService.selectUserByUserName(registerBody.getUsername());

        if(sysUser == null){
            return "";
        }else if (StringUtils.equals(sysUser.getStatus(), "1")){
            // 找出userId以及type符合的数据
            SegRegEmailInfo temp = new SegRegEmailInfo();
            temp.setUserId(sysUser.getUserId()); temp.setType("0");
            List<SegRegEmailInfo> emailInfoList = iSegRegEmailInfoService.selectSegRegEmailInfoList(temp);
            Collections.reverse(emailInfoList);

            // 查看是否超过5分钟
            SegRegEmailInfo lastEmailInfo = emailInfoList.get(0);
            Calendar last = Calendar.getInstance();
            Calendar now = Calendar.getInstance();

            last.setTime(lastEmailInfo.getTime());
            last.add(Calendar.MINUTE, 5);
            now.setTime(new Date());

            // 超过5分钟
            if(now.after(last)){
                userService.deleteUserById(sysUser.getUserId());
                return "";
            }else {
                return "请等待5分钟后，再次发送邮件，如有疑问请联系管理员";
            }
        }else {
            return "";
        }
    }


    /**
     * 注册
     */
    public String register(RegisterBody registerBody)
    {
        String msg = "", username = registerBody.getUsername(), password = registerBody.getPassword();
        SysUser sysUser = new SysUser();
        sysUser.setUserName(username);

        // 邮件验证
        sysUser.setEmail(registerBody.getEmail());

        // 验证码开关
//        boolean captchaEnabled = configService.selectCaptchaEnabled();
//        if (captchaEnabled)
//        {
//            validateCaptcha(username, registerBody.getCode(), registerBody.getUuid());
//        }

        if (StringUtils.isEmpty(username))
        {
            msg = "用户名不能为空";
        }
        else if (StringUtils.isEmpty(password))
        {
            msg = "用户密码不能为空";
        }
        else if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            msg = "账户长度必须在2到20个字符之间";
        }
        else if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            msg = "密码长度必须在5到20个字符之间";
        }
        else if (UserConstants.NOT_UNIQUE.equals(userService.checkUserNameUnique(sysUser)))
        {
            msg = "保存用户'" + username + "'失败，注册账号已存在";
        }
        else if(UserConstants.NOT_UNIQUE.equals(userService.checkEmailUnique(sysUser))){
            msg = "此邮箱" + registerBody.getEmail() + "已经被注册，如有疑问，请联系管理员";
        }
        else
        {
            sysUser.setNickName(username);
            sysUser.setPassword(SecurityUtils.encryptPassword(password));
//            邮件地址
//            sysUser.setEmail(registerBody.getEmail());
//            停用
            sysUser.setStatus("1");
            boolean regFlag = userService.registerUser(sysUser);
            if (!regFlag)
            {
                msg = "注册失败,请联系系统管理人员";
            }
            else
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.REGISTER, MessageUtils.message("user.register.success")));
            }
        }
        return msg;
    }

    /**
     * 校验验证码
     *
     * @param username 用户名
     * @param code 验证码
     * @param uuid 唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid)
    {
        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + StringUtils.nvl(uuid, "");
        String captcha = redisCache.getCacheObject(verifyKey);
        redisCache.deleteObject(verifyKey);
        if (captcha == null)
        {
            throw new CaptchaExpireException();
        }
        if (!code.equalsIgnoreCase(captcha))
        {
            throw new CaptchaException();
        }
    }
}
